20466054 has 64 divisors (see below), whose sum is σ = 53798400. Its totient is φ = 5642784.

The previous prime is 20466053. The next prime is 20466071. The reversal of 20466054 is 45066402.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20466053) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10029 + ... + 11895.

It is an arithmetic number, because the mean of its divisors is an integer number (840600).

Almost surely, 2^20466054 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20466054, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26899200).

20466054 is an abundant number, since it is smaller than the sum of its proper divisors (33332346).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20466054 is a wasteful number, since it uses less digits than its factorization.

20466054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1914 (or 1908 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 20466054 is about 4523.9423073244. The cubic root of 20466054 is about 273.5340349589.

It can be divided in two parts, 2046 and 6054, that added together give a square (8100 = 90²).

The spelling of 20466054 in words is "twenty million, four hundred sixty-six thousand, fifty-four".